Examples of org.eclipse.jdt.core.IBuffer.replace()

org.eclipse.jdt.core.IBuffer.replace()
Replaces the given range of characters in this buffer with the given text. position and position + length must be in the range [0, getLength()]. length must not be negative.
Has no effect if this buffer is read-only or if the buffer is closed. @param position the zero-based starting position of the affected text range in this buffer @param length the length of the affected text range in this buffer @param text the replacing text as a character array

      ISourceRange range = field.getSourceRange();
      IBuffer buf = cu.getBuffer();
      String originalContent = buf.getText(range.getOffset(), range.getLength());
      String formattedContent = CodeFormatterUtil.format(CodeFormatter.K_CLASS_BODY_DECLARATIONS, originalContent, 1, null,
          lineDelimiter, field.getJavaProject());
      buf.replace(range.getOffset(), range.getLength(), formattedContent);
      if (!cu.isWorkingCopy())
        buf.save(null, false);


      imports.create(needsSave, new SubProgressMonitor(monitor, 1));
      removeUnusedImports(cu, needsSave);

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                int index = cuContent.lastIndexOf(simpleTypeStub);
                if (index == -1) {
                    AbstractTypeDeclaration typeNode = (AbstractTypeDeclaration) astRoot.types().get(0);
                    int start = ((ASTNode) typeNode.modifiers().get(0)).getStartPosition();
                    int end = typeNode.getStartPosition() + typeNode.getLength();
                    buffer.replace(start, end - start, typeContent);
                } else {
                    buffer.replace(index, simpleTypeStub.length(), typeContent);
                }


                createdType = parentCU.getType(typeName);

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                    AbstractTypeDeclaration typeNode = (AbstractTypeDeclaration) astRoot.types().get(0);
                    int start = ((ASTNode) typeNode.modifiers().get(0)).getStartPosition();
                    int end = typeNode.getStartPosition() + typeNode.getLength();
                    buffer.replace(start, end - start, typeContent);
                } else {
                    buffer.replace(index, simpleTypeStub.length(), typeContent);
                }


                createdType = parentCU.getType(typeName);
            } else {
                IType enclosingType = getEnclosingType();

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            IBuffer buf = cu.getBuffer();
            String originalContent = buf.getText(range.getOffset(), range.getLength());


            String formattedContent = CodeFormatterUtil.format(CodeFormatter.K_CLASS_BODY_DECLARATIONS, originalContent, indent, lineDelimiter, pack.getJavaProject());
            formattedContent = Strings.trimLeadingTabsAndSpaces(formattedContent);
            buf.replace(range.getOffset(), range.getLength(), formattedContent);
            if (!isInnerClass) {
                String fileComment = getFileComment(cu);
                if (fileComment != null && fileComment.length() > 0) {
                    buf.replace(0, 0, fileComment + lineDelimiter);
                }

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            formattedContent = Strings.trimLeadingTabsAndSpaces(formattedContent);
            buf.replace(range.getOffset(), range.getLength(), formattedContent);
            if (!isInnerClass) {
                String fileComment = getFileComment(cu);
                if (fileComment != null && fileComment.length() > 0) {
                    buf.replace(0, 0, fileComment + lineDelimiter);
                }
            }
            fCreatedType = createdType;


            if (needsSave) {

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                int index = cuContent.lastIndexOf(simpleTypeStub);
                if (index == -1) {
                    AbstractTypeDeclaration typeNode = (AbstractTypeDeclaration) astRoot.types().get(0);
                    int start = ((ASTNode) typeNode.modifiers().get(0)).getStartPosition();
                    int end = typeNode.getStartPosition() + typeNode.getLength();
                    buffer.replace(start, end - start, typeContent);
                } else {
                    buffer.replace(index, simpleTypeStub.length(), typeContent);
                }


                createdType = parentCU.getType(typeName);

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                    AbstractTypeDeclaration typeNode = (AbstractTypeDeclaration) astRoot.types().get(0);
                    int start = ((ASTNode) typeNode.modifiers().get(0)).getStartPosition();
                    int end = typeNode.getStartPosition() + typeNode.getLength();
                    buffer.replace(start, end - start, typeContent);
                } else {
                    buffer.replace(index, simpleTypeStub.length(), typeContent);
                }


                createdType = parentCU.getType(typeName);
            } else {
                IType enclosingType = getEnclosingType();

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            IBuffer buf = cu.getBuffer();
            String originalContent = buf.getText(range.getOffset(), range.getLength());


            String formattedContent = CodeFormatterUtil.format(CodeFormatter.K_CLASS_BODY_DECLARATIONS, originalContent, indent, lineDelimiter, pack.getJavaProject());
            formattedContent = Strings.trimLeadingTabsAndSpaces(formattedContent);
            buf.replace(range.getOffset(), range.getLength(), formattedContent);
            if (!isInnerClass) {
                String fileComment = getFileComment(cu);
                if (fileComment != null && fileComment.length() > 0) {
                    buf.replace(0, 0, fileComment + lineDelimiter);
                }

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            formattedContent = Strings.trimLeadingTabsAndSpaces(formattedContent);
            buf.replace(range.getOffset(), range.getLength(), formattedContent);
            if (!isInnerClass) {
                String fileComment = getFileComment(cu);
                if (fileComment != null && fileComment.length() > 0) {
                    buf.replace(0, 0, fileComment + lineDelimiter);
                }
            }
            fCreatedType = createdType;


            if (needsSave) {

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    public void inCompilationUnit(ICompilationUnit compilationUnit, int position, int length, String newText) throws JavaModelException {
        try {
            WorkingCopyOwner owner = DefaultWorkingCopyOwner.PRIMARY;
            ICompilationUnit workingCopy = compilationUnit.getWorkingCopy(owner, null);
            IBuffer buffer = workingCopy.getBuffer();
            buffer.replace(position, length, newText);
            workingCopy.reconcile(ICompilationUnit.NO_AST, true, owner, null);
            compilationUnit.commitWorkingCopy(true, null);
        } finally {
            compilationUnit.discardWorkingCopy();
        }

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